Wisconsin recall election

Wisconsin recall election

Scott Olson / Getty Images

Voters arrive at a polling site in Clinton on Tuesday to cast ballots in Wisconsin's recall election. Milwaukee Mayor Tom Barrett, a Democrat, is trying to unseat Republican Gov. Scott Walker in the recall vote. Opponents of Walker forced a recall election after the governor pushed to change the collective bargaining process for public employees in the state.

Voters arrive at a polling site in Clinton on Tuesday to cast ballots in Wisconsin's recall election. Milwaukee Mayor Tom Barrett, a Democrat, is trying to unseat Republican Gov. Scott Walker in the recall vote. Opponents of Walker forced a recall election after the governor pushed to change the collective bargaining process for public employees in the state. (Scott Olson / Getty Images)

Voters arrive at a polling site in Clinton on Tuesday to cast ballots in Wisconsin's recall election. Milwaukee Mayor Tom Barrett, a Democrat, is trying to unseat Republican Gov. Scott Walker in the recall vote. Opponents of Walker forced a recall election after the governor pushed to change the collective bargaining process for public employees in the state.